What is local variable in php?


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Explain what does the unset() function means?

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What is crypt () in php?

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Tell me what is the use of "enctype" attribute in a html form?

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How to find length of an array in php ?

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What is use of in_array() function in php?

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How do you check is php not empty?

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What does the function get_magic_quotes_gpc() means?

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What's the difference between using mysql_ functions and pdo?

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Tell me how do I check if a given variable is empty?

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